National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

77°F

25°C

Humidity 69%
Wind Speed SE 6 mph
Barometer 29.96 in (1013.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Sep 12:53 am CDT
Extended Forecast for

Lucas TX

  • Overnight

    Overnight: Mostly clear, with a low around 72. South southeast wind 5 to 10 mph.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Heat index values as high as 97. South wind around 10 mph.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms between 10pm and 1am. Mostly clear, with a low around 73. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 94. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 94 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. South wind around 10 mph. Chance of precipitation is 70%.

    Low: 71 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 66. North wind 5 to 10 mph.

    Low: 66 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 72. South southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 92. Heat index values as high as 97. South wind around 10 mph.
Sunday Night
A chance of showers and thunderstorms between 10pm and 1am. Mostly clear, with a low around 73. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
Sunny, with a high near 94. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 75. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. South wind around 10 mph. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66. North wind 5 to 10 mph.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lucas TX
 33.08°N 96.57°W (Elev. 499 ft)
Last Update:
12:24 am CDT Sep 21, 2025
Forecast Valid:
1am CDT Sep 21, 2025-6pm CDT Sep 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation